# Build container
FROM debian:11-slim AS builder
RUN apt-get -y update && apt-get -y upgrade && apt-get -y install gcc libpcap-dev libvdeplug-dev libpcre3-dev libedit-dev libsdl2-dev libpng-dev libsdl2-ttf-dev build-essential && apt-get clean
ADD simh-3.9-0.tgz /
WORKDIR /simh-3.9-0
RUN make pdp11

# Final container
FROM debian:11-slim
ENV DISK_FILENAME=rq0.dsk
RUN apt-get -y update && apt-get -y upgrade && apt-get -y install curl ed gcc iproute2 iptables libpcap-dev libpcre3 net-tools telnet vdeplug

# Add Tini to handle reaping processes
ENV TINI_VERSION 0.19.0
ADD https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini /tini
RUN chmod +x /tini
ENTRYPOINT ["/tini", "--"]

# Add CoreDNS to forward DNS based on /etc/resolv.conf
ENV COREDNS_VERSION 1.11.1
RUN curl -L https://github.com/coredns/coredns/releases/download/v${COREDNS_VERSION}/coredns_${COREDNS_VERSION}_linux_amd64.tgz|tar -xzC /usr/local/bin/

COPY --from=builder /simh-3.9-0/BIN/pdp11 /usr/local/bin/pdp11

# Uses pattern matching to optionally copy rq0.dsk.gz if it exists
COPY startup.sh Corefile boot.ini.template rq0.dsk.g[z] /
CMD ["/startup.sh"]